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WSL2-Linux-Kernel
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niu: introduce temp variables to avoid sparse warnings when swapping in-situ 

Suppress a large block of warnings like:
drivers/net/niu.c:7094:38: warning: incorrect type in assignment (different base types)
drivers/net/niu.c:7094:38:    expected restricted __be32 [usertype] ip4src
drivers/net/niu.c:7094:38:    got unsigned long long
drivers/net/niu.c:7104:17: warning: cast from restricted __be32
...

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Harvey Harrison 2010-10-13 18:59:13 +00:00 коммит произвёл David S. Miller
Родитель 81ccb499e7
Коммит ed440e82fe
1 изменённых файлов: 36 добавлений и 54 удалений
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90
drivers/net/niu.c
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@ -7090,24 +7090,20 @@ static int niu_get_hash_opts(struct niu *np, struct ethtool_rxnfc *nfc)
static void niu_get_ip4fs_from_tcam_key(struct niu_tcam_entry *tp,
struct ethtool_rx_flow_spec *fsp)
{
u32 tmp;
u16 prt;
fsp->h_u.tcp_ip4_spec.ip4src = (tp->key[3] & TCAM_V4KEY3_SADDR) >>
TCAM_V4KEY3_SADDR_SHIFT;
fsp->h_u.tcp_ip4_spec.ip4dst = (tp->key[3] & TCAM_V4KEY3_DADDR) >>
TCAM_V4KEY3_DADDR_SHIFT;
fsp->m_u.tcp_ip4_spec.ip4src = (tp->key_mask[3] & TCAM_V4KEY3_SADDR) >>
TCAM_V4KEY3_SADDR_SHIFT;
fsp->m_u.tcp_ip4_spec.ip4dst = (tp->key_mask[3] & TCAM_V4KEY3_DADDR) >>
TCAM_V4KEY3_DADDR_SHIFT;
tmp = (tp->key[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT;
fsp->h_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp);
fsp->h_u.tcp_ip4_spec.ip4src =
cpu_to_be32(fsp->h_u.tcp_ip4_spec.ip4src);
fsp->m_u.tcp_ip4_spec.ip4src =
cpu_to_be32(fsp->m_u.tcp_ip4_spec.ip4src);
fsp->h_u.tcp_ip4_spec.ip4dst =
cpu_to_be32(fsp->h_u.tcp_ip4_spec.ip4dst);
fsp->m_u.tcp_ip4_spec.ip4dst =
cpu_to_be32(fsp->m_u.tcp_ip4_spec.ip4dst);
tmp = (tp->key[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT;
fsp->h_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp);
tmp = (tp->key_mask[3] & TCAM_V4KEY3_SADDR) >> TCAM_V4KEY3_SADDR_SHIFT;
fsp->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(tmp);
tmp = (tp->key_mask[3] & TCAM_V4KEY3_DADDR) >> TCAM_V4KEY3_DADDR_SHIFT;
fsp->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(tmp);
fsp->h_u.tcp_ip4_spec.tos = (tp->key[2] & TCAM_V4KEY2_TOS) >>
TCAM_V4KEY2_TOS_SHIFT;
@ -7118,54 +7114,40 @@ static void niu_get_ip4fs_from_tcam_key(struct niu_tcam_entry *tp,
case TCP_V4_FLOW:
case UDP_V4_FLOW:
case SCTP_V4_FLOW:
fsp->h_u.tcp_ip4_spec.psrc =
((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16;
fsp->h_u.tcp_ip4_spec.pdst =
((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff;
fsp->m_u.tcp_ip4_spec.psrc =
((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16;
fsp->m_u.tcp_ip4_spec.pdst =
((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff;
prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16;
fsp->h_u.tcp_ip4_spec.psrc = cpu_to_be16(prt);
fsp->h_u.tcp_ip4_spec.psrc =
cpu_to_be16(fsp->h_u.tcp_ip4_spec.psrc);
fsp->h_u.tcp_ip4_spec.pdst =
cpu_to_be16(fsp->h_u.tcp_ip4_spec.pdst);
fsp->m_u.tcp_ip4_spec.psrc =
cpu_to_be16(fsp->m_u.tcp_ip4_spec.psrc);
fsp->m_u.tcp_ip4_spec.pdst =
cpu_to_be16(fsp->m_u.tcp_ip4_spec.pdst);
prt = ((tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff;
fsp->h_u.tcp_ip4_spec.pdst = cpu_to_be16(prt);
prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT) >> 16;
fsp->m_u.tcp_ip4_spec.psrc = cpu_to_be16(prt);
prt = ((tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT) & 0xffff;
fsp->m_u.tcp_ip4_spec.pdst = cpu_to_be16(prt);
break;
case AH_V4_FLOW:
case ESP_V4_FLOW:
fsp->h_u.ah_ip4_spec.spi =
(tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT;
fsp->m_u.ah_ip4_spec.spi =
(tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT;
fsp->h_u.ah_ip4_spec.spi = cpu_to_be32(tmp);
fsp->h_u.ah_ip4_spec.spi =
cpu_to_be32(fsp->h_u.ah_ip4_spec.spi);
fsp->m_u.ah_ip4_spec.spi =
cpu_to_be32(fsp->m_u.ah_ip4_spec.spi);
tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT;
fsp->m_u.ah_ip4_spec.spi = cpu_to_be32(tmp);
break;
case IP_USER_FLOW:
fsp->h_u.usr_ip4_spec.l4_4_bytes =
(tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT;
fsp->m_u.usr_ip4_spec.l4_4_bytes =
(tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
tmp = (tp->key[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT;
fsp->h_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp);
fsp->h_u.usr_ip4_spec.l4_4_bytes =
cpu_to_be32(fsp->h_u.usr_ip4_spec.l4_4_bytes);
fsp->m_u.usr_ip4_spec.l4_4_bytes =
cpu_to_be32(fsp->m_u.usr_ip4_spec.l4_4_bytes);
tmp = (tp->key_mask[2] & TCAM_V4KEY2_PORT_SPI) >>
TCAM_V4KEY2_PORT_SPI_SHIFT;
fsp->m_u.usr_ip4_spec.l4_4_bytes = cpu_to_be32(tmp);
fsp->h_u.usr_ip4_spec.proto =
(tp->key[2] & TCAM_V4KEY2_PROTO) >>